In one table there is 10 records without id num,without primary key and it is

In one table there is 10 records without id num,without
primary key and it is not sorted then how to extract last 6
record from table?

Question Posted / yashu

4 Answers
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In one table there is 10 records without id num,without primary key and it is not sorted then how ..

Answer / thiyagaraj.ramaswamy

CREATE TABLE Sample
(
Col1 varchar(5)
)
insert into Sample values('j')

TABLE:
Col1
j
r
c
r
e
f
g
h
x
j

USING CURSOR: ANSWER

DECLARE @COL1 VARCHAR(5)
DECLARE @COUNT VARCHAR(5)
SET @COUNT=0
DECLARE c1 CURSOR
FOR
SELECT COL1 FROM SAMPLE
OPEN C1
FETCH NEXT FROM C1
INTO @COL1
WHILE @@FETCH_STATUS=0
BEGIN
SET @COUNT=@COUNT+1
IF @COUNT>=5
BEGIN
SELECT @COL1
END
FETCH NEXT FROM C1
INTO @COL1
END
CLOSE C1
DEALLOCATE C1

Is This Answer Correct ?

2 Yes

1 No

In one table there is 10 records without id num,without primary key and it is not sorted then how ..

Answer / laxman

select * from table_name limit 6;
above query is wrkg in mysql
ex;
select * from emp limit 6;
this one is upto 6
u want 10 limit 10 ;
thts ur choice

select * from emp columnname limit 6;
ok

Is This Answer Correct ?

2 Yes

2 No

In one table there is 10 records without id num,without primary key and it is not sorted then how ..

Answer / sunil soni

CREATE TABLE Temp(
Col1 varchar(5)
)
insert into Temp values('j')

TABLE:
Col1
j
r
c
r
e
f
g
h
x
j

select top 6 col1 from (select row_number() over(order by
id) as rowid,name from (select rand() as id, name from
@temp) t ) t1 order by t1.rowid desc

Is This Answer Correct ?

0 Yes

1 No

In one table there is 10 records without id num,without primary key and it is not sorted then how ..

Answer / rangaraj

create table empmaster(ename varchar(34))

insert into empmaster values('r')

select * from empmaster

Query:

select top 6 (ename) from empmaster order by ename desc

Is This Answer Correct ?

2 Yes

4 No

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